Home / 711,136.20-1,067,933.10-379,360.20

Finding the Fourth Proportional to 711,136.20, 1,067,933.10 and 379,360.20

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Solution

The fourth proportional to 711,136.20, 1,067,933.10 and 379,360.20 is: 569,695.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,136.20 : 1,067,933.10 = 379,360.20 : x
  2. Step 2: Convert to fraction form
    711,136.20/1,067,933.10 = 379,360.20/x
  3. Step 3: Cross multiply
    711,136.20x = 1,067,933.10 × 379,360.20
  4. Step 4: Simplify right side
    711,136.20x = 405,131,314,402.62
  5. Step 5: Solve for x
    x = 405,131,314,402.62/711,136.20
  6. Step 6: Final answer
    x = 569,695.81

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.